CVE-2023-39455

Name: CVE-2023-39455
Creator: NVD / NIST
Published: 2023-08-18T10:15:12.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2023-39455 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. OS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated user to execute an arbitrary OS command by sending a specially crafted request. Affected products and versions are as follows: WRC-600GHBK-A all versions, WRC-1467GHBK-A all versions, WRC-1900GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-F1167ACF2 all versions, WRC-1467GHBK-S all versions, and WRC-1900GHBK-S all versions.. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

Description

OS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated user to execute an arbitrary OS command by sending a specially crafted request. Affected products and versions are as follows: WRC-600GHBK-A all versions, WRC-1467GHBK-A all versions, WRC-1900GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-F1167ACF2 all versions, WRC-1467GHBK-S all versions, and WRC-1900GHBK-S all versions.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.26%

66.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Elecom	Wrc-600ghbk-A Firmware	All versions
Elecom	Wrc-1467ghbk-A Firmware	All versions
Elecom	Wrc-1900ghbk-A Firmware	All versions
Elecom	Wrc-733febk2-A Firmware	All versions
Elecom	Wrc-F1167acf2 Firmware	All versions
Elecom	Wrc-1467ghbk-S Firmware	All versions
Elecom	Wrc-1900ghbk-S Firmware	All versions

References

https://jvn.jp/en/vu/JVNVU91630351/Third Party Advisory
https://www.elecom.co.jp/news/security/20230810-01/Vendor Advisory
https://jvn.jp/en/vu/JVNVU91630351/Third Party Advisory
https://www.elecom.co.jp/news/security/20230810-01/Vendor Advisory

Timeline

Published: Aug 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39455?

How severe is CVE-2023-39455?

CVE-2023-39455 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST